Wind & Water Tight
40ft Standard — Used, Wind & Water Tight
From $1,700
🚚 On your pad in 3–7 business days
The workhorse — double the room for a full ADU or starter home.
✓ Walked & checked
✓ Frame is solid
✓ 30 days to return
The Numbers on This One
| External dimensions | 40' × 8' × 8'6" |
| Internal dimensions | 39'5" × 7'8" × 7'10" |
| Door opening | 7'8" × 7'6" |
| Interior ceiling | 7'10" |
| Floor area | ~304 sq ft |
| Empty weight | ~8,160 lbs |
| Cubic capacity | ~2,390 cu ft |
| Floor | Marine-grade plywood |
| Material | Corten steel (weathering steel) |
What Makes It Easy to Build In
- ✓ Roughly 280 sq ft of living space once it's lined and insulated
- ✓ A solid footprint for storage, shops, and compact builds
- ✓ Corten steel takes the Colorado weather year after year
- ✓ Standard 2x4s tuck neatly between the wall ribs
- ✓ The double doors swing wide for hauling materials in mid-build
What "Wind & Water Tight" Means Here
Visible age, dents and surface rust. Still dry inside.
Best for: Storage, workshops, and budget conversion projects.
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Price This One Out
40ft Standard · Wind & Water Tight · From $1,700
Same Size, Other Grades
